ES2196156T3 - Procedimiento para el intercambio de claves cliptograficas, asistido por ordenador, entre una primera unidad de ordenador y una segunda unidad de ordenador. - Google Patents

Procedimiento para el intercambio de claves cliptograficas, asistido por ordenador, entre una primera unidad de ordenador y una segunda unidad de ordenador.

Info

Publication number
ES2196156T3
ES2196156T3 ES96919532T ES96919532T ES2196156T3 ES 2196156 T3 ES2196156 T3 ES 2196156T3 ES 96919532 T ES96919532 T ES 96919532T ES 96919532 T ES96919532 T ES 96919532T ES 2196156 T3 ES2196156 T3 ES 2196156T3
Authority
ES
Spain
Prior art keywords
computer
computer unit
procedure
keys
exchange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES96919532T
Other languages
English (en)
Inventor
Gunther Horn
Klaus Miller
Volker Kessler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE1995118546 external-priority patent/DE19518546C1/de
Priority claimed from DE1995118545 external-priority patent/DE19518545C1/de
Priority claimed from DE1995118544 external-priority patent/DE19518544C1/de
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of ES2196156T3 publication Critical patent/ES2196156T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/724—Finite field arithmetic
    • G06F7/725—Finite field arithmetic over elliptic curves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer And Data Communications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Communication Control (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO CON EL CUAL PUEDE CONVENIRSE UNA CLAVE DE SESION (K) ENTRE UNA PRIMERA UNIDAD DE ORDENADOR (U) Y UNA SEGUNDA UNIDAD DE ORDENADOR (N) SIN QUE UN TERCERO NO AUTORIZADO PUEDA OBTENER INFORMACION UTIL RELATIVA A LA CLAVE O A LA IDENTIDAD DE LA PRIMERA UNIDAD DE ORDENADOR (U). ELLO SE CONSIGUE MEDIANTE LA INCLUSION DEL PRINCIPIO DE INTERCAMBIO DE CLAVES E1-GAMAL EN EL PROCEDIMIENTO DE LA INVENCION CON LA FORMACION ADICIONAL DE UNA FIRMA DIGITAL MEDIANTE EL VALOR ''HASH'' DE LA CLAVE DE SESION (K) FORMADA POR LA PRIMERA UNIDAD DE ORDENADOR (U).
ES96919532T 1995-05-19 1996-05-13 Procedimiento para el intercambio de claves cliptograficas, asistido por ordenador, entre una primera unidad de ordenador y una segunda unidad de ordenador. Expired - Lifetime ES2196156T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1995118546 DE19518546C1 (de) 1995-05-19 1995-05-19 Verfahren zum rechnergestützten Austausch kryptographischer Schlüssel zwischen einer Benutzercomputereinheit U und einer Netzcomputereinheit N
DE1995118545 DE19518545C1 (de) 1995-05-19 1995-05-19 Verfahren zum rechnergestützten Austausch kryptographischer Schlüssel zwischen einer Benutzercomputereinheit und einer Netzcomputereinheit
DE1995118544 DE19518544C1 (de) 1995-05-19 1995-05-19 Verfahren zum rechnergestützten Austausch kryptographischer Schlüssel zwischen einer Benutzercomputereinheit und einer Netzcomputereinheit

Publications (1)

Publication Number Publication Date
ES2196156T3 true ES2196156T3 (es) 2003-12-16

Family

ID=27215136

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96919532T Expired - Lifetime ES2196156T3 (es) 1995-05-19 1996-05-13 Procedimiento para el intercambio de claves cliptograficas, asistido por ordenador, entre una primera unidad de ordenador y una segunda unidad de ordenador.

Country Status (8)

Country Link
US (1) US6526509B1 (es)
EP (1) EP0872076B1 (es)
JP (1) JPH11505384A (es)
CN (1) CN1104118C (es)
AT (1) ATE235766T1 (es)
DE (1) DE59610282D1 (es)
ES (1) ES2196156T3 (es)
WO (1) WO1996037064A1 (es)

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DE19648824A1 (de) * 1996-11-26 1998-05-28 Alsthom Cge Alcatel Verfahren zum gesicherten Nachrichtenaustausch bei Massendiensten, sowie Teilnehmereinrichtung und Diensteanbietereinrichtung hierfür
US6424712B2 (en) 1997-10-17 2002-07-23 Certicom Corp. Accelerated signature verification on an elliptic curve
IL123028A (en) 1998-01-22 2007-09-20 Nds Ltd Protection of data on media recording disks
DE19822795C2 (de) * 1998-05-20 2000-04-06 Siemens Ag Verfahren und Anordnung zum rechnergestützten Austausch kryptographischer Schlüssel zwischen einer ersten Computereinheit und einer zweiten Computereinheit
DE19906450C1 (de) * 1999-02-16 2000-08-17 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen eines verschlüsselten Nutzdatenstroms und Verfahren und Vorrichtung zum Entschlüsseln eines verschlüsselten Nutzdatenstroms
US6959085B1 (en) * 1999-05-03 2005-10-25 Ntru Cryptosystems, Inc. Secure user identification based on ring homomorphisms
WO2001067202A2 (en) * 2000-03-06 2001-09-13 Aplettix Inc. Authentication technique for electronic transactions
US6976162B1 (en) 2000-06-28 2005-12-13 Intel Corporation Platform and method for establishing provable identities while maintaining privacy
WO2002089018A1 (en) * 2001-05-02 2002-11-07 Secugen Corporation Authenticating user on computer network for biometric information
US7046992B2 (en) * 2001-05-11 2006-05-16 Telefonaktiebolaget Lm Ericsson (Publ) Authentication of termination messages in telecommunications system
EP1500289B1 (en) 2002-01-16 2009-08-19 Broca Communications Limited Secure messaging via a mobile communications network
GB2384392A (en) * 2002-01-16 2003-07-23 Sure On Sight Ltd Secure messaging via a mobile telecommunications network
ES2372780T3 (es) * 2002-07-26 2012-01-26 Koninklijke Philips Electronics N.V. Medición de distancia autenticada segura.
DE10307403B4 (de) * 2003-02-20 2008-01-24 Siemens Ag Verfahren zum Bilden und Verteilen kryptographischer Schlüssel in einem Mobilfunksystem und Mobilfunksystem
US20040199768A1 (en) * 2003-04-04 2004-10-07 Nail Robert A. System and method for enabling enterprise application security
US7409370B2 (en) * 2003-06-30 2008-08-05 Intel Corporation Secured and selective runtime auditing services using a trusted computing device
US7373509B2 (en) * 2003-12-31 2008-05-13 Intel Corporation Multi-authentication for a computing device connecting to a network
JP2006067412A (ja) * 2004-08-30 2006-03-09 Chaosware Inc 暗号伝送システム、送信装置、受信装置、送信方法、受信方法、ならびに、プログラム
US7715822B2 (en) 2005-02-04 2010-05-11 Qualcomm Incorporated Secure bootstrapping for wireless communications
US7814320B2 (en) * 2005-07-19 2010-10-12 Ntt Docomo, Inc. Cryptographic authentication, and/or establishment of shared cryptographic keys, using a signing key encrypted with a non-one-time-pad encryption, including (but not limited to) techniques with improved security against malleability attacks
DE102006060760A1 (de) 2006-09-29 2008-04-10 Siemens Ag Authentifikationsverfahren und Kommunikationssystem zur Authentifikation
US9443068B2 (en) * 2008-02-20 2016-09-13 Micheal Bleahen System and method for preventing unauthorized access to information
AU2009238590A1 (en) * 2008-04-22 2009-10-29 Portola Pharmaceuticals, Inc. Inhibitors of protein kinases
US8442218B2 (en) * 2009-02-27 2013-05-14 Red Hat, Inc. Method and apparatus for compound hashing via iteration
EP4322465A3 (en) * 2011-12-15 2024-04-17 Daedalus Prime LLC Method and device for secure communications over a network using a hardware security engine
US10904224B2 (en) 2017-09-29 2021-01-26 Rolls-Royce Corporation Aircraft engine monitoring system
CN117574448B (zh) * 2024-01-16 2024-04-09 确信信息股份有限公司 基于事件的电子签名方法、系统、介质及设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200770A (en) * 1977-09-06 1980-04-29 Stanford University Cryptographic apparatus and method
EP0307627B1 (de) * 1987-09-04 1992-04-29 Ascom Radiocom AG Verfahren zur Erzeugung und Verteilung von Geheimschlüsseln
DE69133502T2 (de) * 1990-06-01 2006-09-14 Kabushiki Kaisha Toshiba, Kawasaki Geheimübertragungsverfahren und -gerät
US5153919A (en) 1991-09-13 1992-10-06 At&T Bell Laboratories Service provision authentication protocol
US5222140A (en) * 1991-11-08 1993-06-22 Bell Communications Research, Inc. Cryptographic method for key agreement and user authentication

Also Published As

Publication number Publication date
ATE235766T1 (de) 2003-04-15
US6526509B1 (en) 2003-02-25
EP0872076A1 (de) 1998-10-21
EP0872076B1 (de) 2003-03-26
CN1186579A (zh) 1998-07-01
CN1104118C (zh) 2003-03-26
WO1996037064A1 (de) 1996-11-21
JPH11505384A (ja) 1999-05-18
DE59610282D1 (de) 2003-04-30

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